Gunman noun – A person who shoots a gun (as regards their ability). Terminator and gunman are semantically related. In some cases you can use "Terminator" instead a noun "Gunman".
Terminator noun – Someone who exterminates (especially someone whose occupation is the extermination of troublesome rodents and insects). Gunman and terminator are semantically related. You can use "Gunman" instead a noun "Terminator". Nearby Words: terminate, termination, terminated, terminating